java实现将WGS84坐标经纬度转为sumo仿真路网XML文件中lane里的shape的UTM+50

以下是一个Java实现将WGS84坐标经纬度转为sumo仿真路网XML文件中lane里的shape的UTM 50的示例代码：

import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.GeometryFactory;
import com.vividsolutions.jts.geom.Point;
import com.vividsolutions.jts.geom.PrecisionModel;
import com.vividsolutions.jts.geom.impl.CoordinateArraySequence;
import com.vividsolutions.jts.io.ParseException;
import com.vividsolutions.jts.io.WKTReader;
import com.vividsolutions.jts.io.WKTWriter;
import org.opengis.referencing.FactoryException;
import org.opengis.referencing.NoSuchAuthorityCodeException;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.opengis.referencing.operation.MathTransform;
import org.opengis.referencing.operation.TransformException;
import org.opengis.referencing.operation.TransformFactory;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class WGS84toUTM50 {

    public static CoordinateReferenceSystem wgs84crs;
    public static CoordinateReferenceSystem utm50crs;
    public static MathTransform wgs84ToUtm50Transform;
    public static MathTransform utm50ToWgs84Transform;

    static {
        try {
            wgs84crs = org.geotools.referencing.crs.DefaultGeographicCRS.WGS84;
            utm50crs = org.geotools.referencing.crs.DefaultProjectedCRS.WGS84_UTM(50, true);
            wgs84ToUtm50Transform = TransformFactory
                    .finder()
                    .findMathTransform(wgs84crs, utm50crs, true);
            utm50ToWgs84Transform = TransformFactory
                    .finder()
                    .findMathTransform(utm50crs, wgs84crs, true);
        } catch (NoSuchAuthorityCodeException | FactoryException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        try {
            File file = new File("input.xml");
            JAXBContext jaxbContext = JAXBContext.newInstance(Roads.class);
            Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
            Roads roads = (Roads) jaxbUnmarshaller.unmarshal(file);

            for (Road road : roads.getRoad()) {
                for (Lane lane : road.getLane()) {
                    List<Point> points = parsePoints(lane.getShape());
                    List<Point> convertedPoints = convertPoints(points);
                    String convertedShape = buildShape(convertedPoints);
                    lane.setShape(convertedShape);
                }
            }

            Marshaller jaxbMarshaller = jaxbContext.createMarshaller();
            jaxbMarshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
            jaxbMarshaller.marshal(roads, new FileOutputStream("output.xml"));
        } catch (JAXBException | FileNotFoundException e) {
            e.printStackTrace();
        }
    }

    public static List<Point> parsePoints(String shape) {
        List<Point> points = new ArrayList<>();
        try {
            WKTReader reader = new WKTReader(new GeometryFactory(new PrecisionModel(), 4326));
            Point point;
            for (String s : shape.split(" ")) {
                point = (Point) reader.read("POINT (" + s.replace(",", " ") + ")");
                points.add(point);
            }
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return points;
    }

    public static List<Point> convertPoints(List<Point> points) {
        List<Point> convertedPoints = new ArrayList<>();
        for (Point point : points) {
            try {
                Point utmPoint = (Point) JTS.transform(point, wgs84ToUtm50Transform);
                convertedPoints.add(utmPoint);
            } catch (TransformException e) {
                e.printStackTrace();
            }
        }
        return convertedPoints;
    }

    public static String buildShape(List<Point> points) {
        StringBuilder builder = new StringBuilder();
        WKTWriter writer = new WKTWriter();
        for (Point point : points) {
            Coordinate coordinate = point.getCoordinate();
            builder.append(coordinate.x).append(",").append(coordinate.y).append(" ");
        }
        return builder.toString().trim();
    }
}

这个程序的主要工作是：

1. 读取输入的XML文件，将每个lane的shape字段解析成一组WGS84坐标点；
2. 将这些WGS84坐标点转换为UTM 50坐标点；
3. 将这些UTM 50坐标点重新组成一个字符串，作为新的lane的shape字段；
4. 将修改后的XML文件写出到磁盘上。

注意，在这个程序中，我们使用了一些外部库：

1. JTS：用于解析和处理几何形状；
2. GeoTools：用于处理坐标系和坐标转换。

如果您使用的是Maven构建工具，可以将以下依赖项添加到您的pom.xml文件中：

<dependency>
    <groupId>com.vividsolutions</groupId>
    <artifactId>jts</artifactId>
    <version>1.14.0</version>
</dependency>
<dependency>
    <groupId>org.geotools</groupId>
    <artifactId>gt-referencing</artifactId>
    <version>22.1</version>
</dependency>